1
Hardware Overview
1.5
Power
Supply
1.5 Power
Supply
The power supply supplies eight different voltages to the system board.
The power supply microcontroller has the following functions.
1. Judges that the DC power supply (AC adapter) is connected to the computer.
2. Detects DC output and circuit malfunctions.
3. Controls the battery icon, and DC IN icon.
4. Turns the battery charging system on and off and detects a fully charged battery.
5. Turns the power supply on and off.
6. Provides more accurate detection of a low battery.
7. Calculates the remaining battery capacity.
8. Controls the transmission of the status signal of the main battery.
Table 1-5 lists the power supply output specifications.
Table 1-5 Power supply output specifications
Device Name
DC Voltage
(V)
CPU
PPV
1.000 -
0.748
MCH-M
MCH1R2-P1V
1.2
CPU,MCH-M,ICH4-M
PTV
1.075
GPU
2R5-P2V
2.5
MCH-M,SDRAM
2R5-B2V
2.5
SDRAM
1R25-B1V
(1R25M-B1V)
1.25
GPU
PGV
1.2-1.5
ICH4-M,KINNERETH
LAN-E3V
3.3
ICH4-M,EC/KBC
S3V
3.3
YEBISUSS,PC Card,MDC
B3V
3.3
Clock Generator,ADM1032,ICH4-M,FWH,Mini PCI,
GPU,LCD,AD1981B,HDD
P3V
3.3
1-14
PORTEGE R100 Maintenance Manual (960-440)
Содержание Portege R100
Страница 1: ...1 Toshiba Personal Computer PORTEGE R100 Maintenance Manual TOSHIBA CORPORATION File Number 960 440 ...
Страница 9: ...Chapter 1 Hardware Overview ...
Страница 10: ...1 Hardware Overview 1 Hardware Overview 1 ii PORTEGE R100 Maintenance Manual 960 440 ...
Страница 31: ...Chapter 2 Troubleshooting Procedures ...
Страница 32: ...2 Troubleshooting Procedures 2 2 ii PORTEGE R100 Maintenance Manual 960 440 ...
Страница 36: ...2 Troubleshooting Procedures 2 vi PORTEGE R100 Maintenance Manual 960 440 ...
Страница 87: ...Chapter 3 Tests and Diagnostics ...
Страница 88: ...3 Tests and Diagnostics 3 3 ii PORTREGE R 100 Maintenance Manual 960 440 ...
Страница 163: ...3 24 SETUP 3 Tests and Diagnostics PORTEGE R100 Maintenance Manual 960 440 3 73 ...
Страница 164: ...Chapter 4 Replacement Procedures ...
Страница 165: ...4 Replacement Procedures 4 4 ii PORTEGE R100 Maintenance Manual 960 440 ...
Страница 229: ...Appendices ...
Страница 230: ...Appendices App ii PORTEGE R100 Maintenance Manual 960 440 ...
Страница 236: ...Appendices App viii PORTEGE R100 Maintenance Manual 960 440 ...
Страница 242: ...Appendices Apx A Handling the LCD Module A 6 PORTEGE R100 Maintenance Manual 960 440 ...
Страница 274: ...Appendices 1 Pin Assignment 1 26 Portégé R100 Maintenance Manual 960 440 ...
Страница 286: ...Appendices Apx E Key Layout E 2 PORTEGE R100 Maintenance Manual 960 440 ...
Страница 288: ...Appendices Apx F BIOS KBC EC Update F 2 PORTEGE R100 Maintenance Manual 960 440 ...
Страница 290: ...Appendices Apx G Reliability G 2 PORTEGE R100 Maintenance Manual 960 440 ...
Страница 292: ...Appendices Apx H Key FD H 2 PORTEGE R100 Maintenance Manual 960 440 ...